John Glover

Woodstockers (2026)

as Jupiter

Batman: The Knight Crusader (2025)

as Dr Jason Woodrue (voice)

Batman Shadows (2024)

TV show · as The Riddler (voice)

Fatal Influence: Like. Follow. Survive. (2022)

as The Grand Zel

65

Fear the Walking Dead: Dead in the Water (2022)

TV show · as Teddy Maddox

65

And Just Like That… (2021)

TV show · as Elliott / Elliot

77

Evil (2019)

TV show · as Byron Duke

69

Shazam! (2019)

as Mr. Sivana

59

The Lost Wife of Robert Durst (2017)

as Seymour Durst

58

We Go On (2016)

as Dr. Ellison

73

Lucifer (2016)

TV show · as Peter Peterson

69

Reality (2015)

as Zog

72

Fear the Walking Dead (2015)

TV show · as Teddy Maddox

76

Marvel's Agent Carter (2015)

TV show · as SSR Informant

77

The Blacklist (2013)

TV show · as Dr. Bruce Sanders

46

Sanitarium (2013)

as Gustav

53

Sweet Talk (2013)

as Professor / Count

73

Perception (2012)

TV show · as The Devil

79

The Good Wife (2009)

TV show · as Jared Andrews

74

Heroes (2006)

TV show · as Samson Gray

74

Payback: Straight Up (2006)

as Phil

73

Brothers and Sisters (2006)

TV show · as Henry Mittner

Payback: Straight Up (2006)

as Phil

73

Medium (2005)

TV show · as Carson Churchill

70

Numb3rs (2005)

TV show

The Civilization of Maxwell Bright (2005)

as Ogden

Tricks (2004)

as Ralph

Smallville (2002)

as Lionel Luthor

76

Smallville (2001)

TV show · as Lionel Luthor

67

Law & Order: Criminal Intent (2001)

TV show · as Declan Gage

69

Payback (1999)

as Phil

78

Brimstone (1998)

TV show · as The Devil

Haunted History (1998)

TV show

The Tempest (1998)

as Anthony Prosper

28

Dead by Midnight (1997)

as Dr. Armand Drake / Ben Hamill

66

Love! Valour! Compassion! (1997)

as John & James Jeckyll

71

In the Mouth of Madness (1995)

as Saperstein

52

Automatic (1995)

as Goddard Marx

57

Ed and His Dead Mother (1993)

as A.J. Pattle

South Beach (1993)

TV show · as Roberts

65

Gremlins 2: The New Batch (1990)

as Daniel Clamp

57

El Diablo (1990)

as The Preacher

66

Twist of Fate (1989)

TV show · as Max Brodsky

55

Meet the Hollowheads (1989)

as Henry Hollowhead

Breaking Point (1989)

as Dr. Gerber

64

The Chocolate War (1988)

as Brother Leon

68

Scrooged (1988)

as Bryce Cummings

66

David (1988)

as Charles Rothenberg

58

Masquerade (1988)

as Tony Gateworth

Nutcracker: Money, Madness & Murder (1987)

TV show · as Richard Behrens

62

52 Pick-Up (1986)

as Alan Raimy

58

A Killing Affair (1985)

as Sheb Sheppard

67

White Nights (1985)

as Wynn Scott

58

The Evil That Men Do (1984)

as Paul Briggs, U.S. Embassy

57

Last Embrace (1979)

as Richard Peabody

48

Somebody Killed Her Husband (1978)

as Herbert Little

78

Annie Hall (1977)

as Actor Boy Friend

67

Julia (1977)

as Sammy

The Andros Targets (1977)

TV show · as Wiggs

70

Kojak (1973)

TV show · as Billy Jo

60

Shamus (1973)

as Johnnie Brosten

68

ABC Afterschool Special (1972)

TV show · as Mr. Stewart